From a5531f61fb09310cb89821e360c2fcf1a460f3f3 Mon Sep 17 00:00:00 2001
From: Sergey Abramchuk <ss.abramchuk@gmail.com>
Date: Mon, 20 Mar 2017 21:31:21 +0300
Subject: [PATCH] Fix forgotten initialization of configuration

---
 OpenVPN Adapter/OpenVPNAdapter.mm  | 9 +++++++++
 OpenVPN Adapter/TUNConfiguration.m | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/OpenVPN Adapter/OpenVPNAdapter.mm b/OpenVPN Adapter/OpenVPNAdapter.mm
index bcfc2a4..d847d83 100644
--- a/OpenVPN Adapter/OpenVPNAdapter.mm	
+++ b/OpenVPN Adapter/OpenVPNAdapter.mm	
@@ -118,9 +118,17 @@ static void socketCallback(CFSocketRef socket, CFSocketCallBackType type, CFData
     }
     
     if (isIPv6) {
+        if (!self.tunConfigurationIPv6.initialized) {
+            self.tunConfigurationIPv6.initialized = YES;
+        }
+        
         [self.tunConfigurationIPv6.localAddresses addObject:address];
         [self.tunConfigurationIPv6.prefixLengths addObject:prefixLength];
     } else {
+        if (!self.tunConfigurationIPv4.initialized) {
+            self.tunConfigurationIPv4.initialized = YES;
+        }
+        
         [self.tunConfigurationIPv4.localAddresses addObject:address];
         [self.tunConfigurationIPv4.prefixLengths addObject:prefixLength];
     }
@@ -256,6 +264,7 @@ static void socketCallback(CFSocketRef socket, CFSocketCallBackType type, CFData
     // Set MTU
     networkSettings.MTU = self.mtu;
     
+    // Establish TUN interface 
     dispatch_semaphore_t sema = dispatch_semaphore_create(0);
     
     [self.delegate configureTunnelWithSettings:networkSettings callback:^(id<OpenVPNAdapterPacketFlow> _Nullable flow) {
diff --git a/OpenVPN Adapter/TUNConfiguration.m b/OpenVPN Adapter/TUNConfiguration.m
index b8f4940..2beb564 100644
--- a/OpenVPN Adapter/TUNConfiguration.m	
+++ b/OpenVPN Adapter/TUNConfiguration.m	
@@ -14,6 +14,8 @@
 {
     self = [super init];
     if (self) {
+        _initialized = NO;
+        
         _localAddresses = [NSMutableArray new];
         _prefixLengths = [NSMutableArray new];